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Re: [PATCH] Fix early wrapping of the command line when using git-prompt.sh

From
Richard Quadling <rquadling@gmail.com>
Date
Apr 28, 2025, 12:58 UTC
Message-ID
<CAKUjMCULZLBCG0CMiiZBRMmqz+YRXJyOL7U9_1i2tRGeq2nnHA@mail.gmail.com>
As an example:
The following is my prompt whilst in a Git Repo:
$ echo $PS1 | hexdump -C
00000000  5c 30 30 31 24 28 63 6f  64 65 3d 24 7b 3f 23 23  |\001$(code=${?##|
00000010  30 7d 3b 65 63 68 6f 20  24 7b 63 6f 64 65 3a 2b  |0};echo ${code:+|
00000020  24 28 74 70 75 74 20 73  65 74 61 66 20 39 29 5c  |$(tput setaf 9)\|
00000030  30 30 32 28 24 7b 63 6f  64 65 7d 29 5c 20 7d 29  |002(${code})\ })|
00000040  5c 30 30 31 24 28 74 70  75 74 20 73 67 72 30 29  |\001$(tput sgr0)|
00000050  5c 30 30 32 5c 30 30 31  24 28 74 70 75 74 20 73  |\002\001$(tput s|
00000060  65 74 61 66 20 36 29 5c  30 30 32 24 7b 50 53 31  |etaf 6)\002${PS1|
00000070  5f 53 48 45 4c 4c 53 5f  49 4e 3a 30 3a 24 53 48  |_SHELLS_IN:0:$SH|
00000080  4c 56 4c 7d 5c 30 30 31  24 28 74 70 75 74 20 73  |LVL}\001$(tput s|
00000090  65 74 61 66 20 31 34 29  5c 30 30 32 24 53 48 4c  |etaf 14)\002$SHL|
000000a0  56 4c 5c 30 30 31 24 28  74 70 75 74 20 73 65 74  |VL\001$(tput set|
000000b0  61 66 20 36 29 5c 30 30  32 24 7b 50 53 31 5f 53  |af 6)\002${PS1_S|
000000c0  48 45 4c 4c 53 5f 4f 55  54 3a 20 2d 24 53 48 4c  |HELLS_OUT: -$SHL|
000000d0  56 4c 7d 20 5c 30 30 31  24 28 74 70 75 74 20 73  |VL} \001$(tput s|
000000e0  67 72 30 29 5c 30 30 32  24 28 65 63 68 6f 20 2d  |gr0)\002$(echo -|
000000f0  65 20 24 7b 41 57 53 43  52 45 44 53 7d 29 5c 30  |e ${AWSCREDS})\0|
00000100  30 31 24 28 74 70 75 74  20 73 65 74 61 66 20 35  |01$(tput setaf 5|
00000110  29 5c 30 30 32 5c 44 7b  25 59 2d 25 6d 2d 25 64  |)\002\D{%Y-%m-%d|
00000120  20 25 48 3a 25 4d 3a 25  53 7d 20 5c 30 30 31 24  | %H:%M:%S} \001$|
00000130  28 74 70 75 74 20 73 67  72 30 29 5c 30 30 32 5c  |(tput sgr0)\002\|
00000140  30 30 31 24 28 74 70 75  74 20 73 65 74 61 66 20  |001$(tput setaf |
00000150  36 29 5c 30 30 32 5c 75  5c 30 30 31 24 28 74 70  |6)\002\u\001$(tp|
00000160  75 74 20 73 67 72 30 29  5c 30 30 32 5c 30 30 31  |ut sgr0)\002\001|
00000170  24 28 74 70 75 74 20 73  65 74 61 66 20 38 29 5c  |$(tput setaf 8)\|
00000180  30 30 32 40 5c 30 30 31  24 28 74 70 75 74 20 73  |002@\001$(tput s|
00000190  67 72 30 29 5c 30 30 32  5c 30 30 31 24 28 74 70  |gr0)\002\001$(tp|
000001a0  75 74 20 73 65 74 61 66  20 32 29 5c 30 30 32 5c  |ut setaf 2)\002\|
000001b0  68 5c 30 30 31 24 28 74  70 75 74 20 73 67 72 30  |h\001$(tput sgr0|
000001c0  29 5c 30 30 32 5c 30 30  31 24 28 74 70 75 74 20  |)\002\001$(tput |
000001d0  73 65 74 61 66 20 38 29  5c 30 30 32 3a 5c 30 30  |setaf 8)\002:\00|
000001e0  31 24 28 74 70 75 74 20  73 67 72 30 29 5c 30 30  |1$(tput sgr0)\00|
000001f0  32 5c 30 30 31 24 28 74  70 75 74 20 73 65 74 61  |2\001$(tput seta|
00000200  66 20 33 29 5c 30 30 32  5c 77 5c 30 30 31 24 28  |f 3)\002\w\001$(|
00000210  74 70 75 74 20 73 67 72  30 29 5c 30 30 32 5c 30  |tput sgr0)\002\0|
00000220  30 31 24 28 5b 5b 20 24  63 6f 75 6e 74 20 2d 67  |01$([[ $count -g|
00000230  74 20 31 20 5d 5d 20 26  26 20 65 63 68 6f 20 22  |t 1 ]] && echo "|
00000240  5c 30 30 32 20 5b 24 50  53 31 5f 50 41 54 48 5f  |\002 [$PS1_PATH_|
00000250  43 4f 55 4e 54 5d 5c 30  30 31 29 22 29 5c 30 30  |COUNT]\001)")\00|
00000260  32 20 28 01 1b 5b 33 32  6d 02 24 7b 5f 5f 67 69  |2 (..[32m.${__gi|
                   ^^                 ^^
00000270  74 5f 70 73 31 5f 62 72  61 6e 63 68 5f 6e 61 6d  |t_ps1_branch_nam|
00000280  65 7d 01 1b 5b 30 6d 02  20 01 1b 5b 31 3b 33 34  |e}..[0m. ..[1;34|
                ^^             ^^     ^^
00000290  6d 02 24 01 1b 5b 30 6d  02 3e 29 20 5c 5c 24 0a  |m.$..[0m.>) \\$.|
                   ^^              ^^
000002a0
With the fix
$ echo $PS1 | hexdump -C
00000000  5c 30 30 31 24 28 63 6f  64 65 3d 24 7b 3f 23 23  |\001$(code=${?##|
00000010  30 7d 3b 65 63 68 6f 20  24 7b 63 6f 64 65 3a 2b  |0};echo ${code:+|
00000020  24 28 74 70 75 74 20 73  65 74 61 66 20 39 29 5c  |$(tput setaf 9)\|
00000030  30 30 32 28 24 7b 63 6f  64 65 7d 29 5c 20 7d 29  |002(${code})\ })|
00000040  5c 30 30 31 24 28 74 70  75 74 20 73 67 72 30 29  |\001$(tput sgr0)|
00000050  5c 30 30 32 5c 30 30 31  24 28 74 70 75 74 20 73  |\002\001$(tput s|
00000060  65 74 61 66 20 36 29 5c  30 30 32 24 7b 50 53 31  |etaf 6)\002${PS1|
00000070  5f 53 48 45 4c 4c 53 5f  49 4e 3a 30 3a 24 53 48  |_SHELLS_IN:0:$SH|
00000080  4c 56 4c 7d 5c 30 30 31  24 28 74 70 75 74 20 73  |LVL}\001$(tput s|
00000090  65 74 61 66 20 31 34 29  5c 30 30 32 24 53 48 4c  |etaf 14)\002$SHL|
000000a0  56 4c 5c 30 30 31 24 28  74 70 75 74 20 73 65 74  |VL\001$(tput set|
000000b0  61 66 20 36 29 5c 30 30  32 24 7b 50 53 31 5f 53  |af 6)\002${PS1_S|
000000c0  48 45 4c 4c 53 5f 4f 55  54 3a 20 2d 24 53 48 4c  |HELLS_OUT: -$SHL|
000000d0  56 4c 7d 20 5c 30 30 31  24 28 74 70 75 74 20 73  |VL} \001$(tput s|
000000e0  67 72 30 29 5c 30 30 32  24 28 65 63 68 6f 20 2d  |gr0)\002$(echo -|
000000f0  65 20 24 7b 41 57 53 43  52 45 44 53 7d 29 5c 30  |e ${AWSCREDS})\0|
00000100  30 31 24 28 74 70 75 74  20 73 65 74 61 66 20 35  |01$(tput setaf 5|
00000110  29 5c 30 30 32 5c 44 7b  25 59 2d 25 6d 2d 25 64  |)\002\D{%Y-%m-%d|
00000120  20 25 48 3a 25 4d 3a 25  53 7d 20 5c 30 30 31 24  | %H:%M:%S} \001$|
00000130  28 74 70 75 74 20 73 67  72 30 29 5c 30 30 32 5c  |(tput sgr0)\002\|
00000140  30 30 31 24 28 74 70 75  74 20 73 65 74 61 66 20  |001$(tput setaf |
00000150  36 29 5c 30 30 32 5c 75  5c 30 30 31 24 28 74 70  |6)\002\u\001$(tp|
00000160  75 74 20 73 67 72 30 29  5c 30 30 32 5c 30 30 31  |ut sgr0)\002\001|
00000170  24 28 74 70 75 74 20 73  65 74 61 66 20 38 29 5c  |$(tput setaf 8)\|
00000180  30 30 32 40 5c 30 30 31  24 28 74 70 75 74 20 73  |002@\001$(tput s|
00000190  67 72 30 29 5c 30 30 32  5c 30 30 31 24 28 74 70  |gr0)\002\001$(tp|
000001a0  75 74 20 73 65 74 61 66  20 32 29 5c 30 30 32 5c  |ut setaf 2)\002\|
000001b0  68 5c 30 30 31 24 28 74  70 75 74 20 73 67 72 30  |h\001$(tput sgr0|
000001c0  29 5c 30 30 32 5c 30 30  31 24 28 74 70 75 74 20  |)\002\001$(tput |
000001d0  73 65 74 61 66 20 38 29  5c 30 30 32 3a 5c 30 30  |setaf 8)\002:\00|
000001e0  31 24 28 74 70 75 74 20  73 67 72 30 29 5c 30 30  |1$(tput sgr0)\00|
000001f0  32 5c 30 30 31 24 28 74  70 75 74 20 73 65 74 61  |2\001$(tput seta|
00000200  66 20 33 29 5c 30 30 32  5c 77 5c 30 30 31 24 28  |f 3)\002\w\001$(|
00000210  74 70 75 74 20 73 67 72  30 29 5c 30 30 32 5c 30  |tput sgr0)\002\0|
00000220  30 31 24 28 5b 5b 20 24  63 6f 75 6e 74 20 2d 67  |01$([[ $count -g|
00000230  74 20 31 20 5d 5d 20 26  26 20 65 63 68 6f 20 22  |t 1 ]] && echo "|
00000240  5c 30 30 32 20 5b 24 50  53 31 5f 50 41 54 48 5f  |\002 [$PS1_PATH_|
00000250  43 4f 55 4e 54 5d 5c 30  30 31 29 22 29 5c 30 30  |COUNT]\001)")\00|
00000260  32 20 28 5c 30 30 31 1b  5b 33 32 6d 5c 30 30 32  |2 (\001.[32m\002|
                                                                ^^^^     ^^^^
00000270  24 7b 5f 5f 67 69 74 5f  70 73 31 5f 62 72 61 6e  |${__git_ps1_bran|
00000280  63 68 5f 6e 61 6d 65 7d  5c 30 30 31 1b 5b 30 6d  |ch_name}\001.[0m|
                                                                     ^^^^
00000290  5c 30 30 32 20 5c 30 30  31 1b 5b 31 3b 33 34 6d  |\002 \001.[1;34m|
                                                             ^^^^ ^^^^
000002a0  5c 30 30 32 24 5c 30 30  31 1b 5b 30 6d 5c 30 30  |\002$\001.[0m\00|
                                                             ^^^^ ^^^^
000002b0  32 3e 29 20 5c 5c 24 0a                           |2>) \\$.|
000002b8
Message 1 of 1 in “Re: [PATCH] Fix early wrapping of the command line when using git-prompt.sh”
  1. Richard QuadlingApr 28, 2025

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