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2013-08-22contrib/git-prompt.sh: handle missing 'printf -v' more gracefullyLibravatar Brandon Casey1-1/+5
Old Bash (3.0) which is distributed with RHEL 4.X and other ancient platforms that are still in wide use, do not have a printf that supports -v. Neither does Zsh (which is already handled in the code). As suggested by Junio, let's test whether printf supports the -v option and store the result. Then later, we can use it to determine whether 'printf -v' can be used, or whether printf must be called in a subshell. Signed-off-by: Brandon Casey <drafnel@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-07-01Merge branch 'ed/color-prompt'Libravatar Junio C Hamano1-70/+41
Code clean-up for in-prompt status script (in contrib/). * ed/color-prompt: git-prompt.sh: add missing information in comments git-prompt.sh: do not print duplicate clean color code t9903: remove redundant tests git-prompt.sh: refactor colored prompt code t9903: add tests for git-prompt pcmode
2013-06-26git-prompt.sh: add missing information in commentsLibravatar Eduardo R. D'Avila1-11/+15
Mention that the command below is needed for prompt in ZSH with PS1: setopt PROMPT_SUBST Rephrase some parts that mention only the "current branch name" being displayed in the prompt. Replace it by stating that the "repository status" is displayed. Make it clear that colored prompt is only available in PROMPT_COMMAND/precmd mode. With-suggestions-by: SZEDER Gábor <szeder@ira.uka.de> Signed-off-by: Eduardo R. D'Avila <erdavila@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-26git-prompt.sh: do not print duplicate clean color codeLibravatar Eduardo R. D'Avila1-1/+1
Do not print a duplicate clean color code when there is no other indicators other than the current branch in colored prompt. Acked-by: SZEDER Gábor <szeder@ira.uka.de> Signed-off-by: Eduardo R. D'Avila <erdavila@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-26git-prompt.sh: refactor colored prompt codeLibravatar Eduardo R. D'Avila1-59/+26
__git_ps1_colorize_gitstring() sets color codes and builds the prompt gitstring. It has duplicated code to handle color codes for bash and zsh shells. __git_ps1() also has duplicated logic to build the prompt gitstring. Remove duplication of logic to build gitstring in __git_ps1_colorize_gitstring() and __git_ps1(). Leave in __git_ps1_colorize_gitstring() only logic to set color codes. Signed-off-by: Eduardo R. D'Avila <erdavila@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-24bash prompt: mention that PROMPT_COMMAND mode is fasterLibravatar SZEDER Gábor1-5/+5
__git_ps1() is usually added to the prompt inside a command substitution, imposing the overhead of fork()ing a subshell. Using __git_ps1() for $PROMPT_COMMAND is slightly faster, because it avoids that command substitution. Mention this in the comments about setting up the git prompt. The whole series speeds up the bash prompt on Windows/MSysGit considerably. Here are some timing results in three scenarios, each repeated 10 times: At the top of the work tree, before: $ time for i in {0..9} ; do prompt="$(__git_ps1)" ; done real 0m1.716s user 0m0.301s sys 0m0.772s After: real 0m0.687s user 0m0.075s sys 0m0.396s After, from $PROMPT_COMMAND: $ time for i in {0..9} ; do __git_ps1 '\h:\w' '$ ' ; done real 0m0.546s user 0m0.075s sys 0m0.181s At the top of the work tree, detached head, before: real 0m2.574s user 0m0.376s sys 0m1.207s After: real 0m1.139s user 0m0.151s sys 0m0.500s After, from $PROMPT_COMMAND: real 0m1.030s user 0m0.245s sys 0m0.336s In a subdirectory, during rebase, stash status indicator enabled, before: real 0m3.557s user 0m0.495s sys 0m1.767s After: real 0m0.717s user 0m0.120s sys 0m0.300s After, from $PROMPT_COMMAND: real 0m0.577s user 0m0.047s sys 0m0.258s On Linux the speedup ratio is comparable to Windows, but overall it was about an order of magnitude faster to begin with. The last case from above, repeated 100 times, before: $ time for i in {0..99} ; do prompt="$(__git_ps1)" ; done real 0m2.806s user 0m0.180s sys 0m0.264s After: real 0m0.857s user 0m0.020s sys 0m0.028s Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
2013-06-24bash prompt: avoid command substitution when finalizing gitstringLibravatar SZEDER Gábor1-1/+5
Before setting $PS1, __git_ps1() uses a command substitution to redirect the output from a printf into a variable. Spare the overhead of fork()ing a subshell by using 'printf -v <var>' to directly assign the output to that variable. zsh's printf doesn't support the '-v <var>' option, so stick with the command substitution when under zsh. Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
2013-06-24bash prompt: avoid command substitution when checking for untracked filesLibravatar SZEDER Gábor1-1/+1
When enabled, the bash prompt can indicate the presence of untracked files with a '%' sign. __git_ps1() checks for untracked files by running the '$(git ls-files --others --exclude-standard)' command substitution, and displays the indicator when there is no output. Avoid this command substitution by additionally passing '--error-unmatch *', and checking the command's return value. Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
2013-06-24bash prompt: use bash builtins to check stash stateLibravatar SZEDER Gábor1-2/+3
When the environment variable $GIT_PS1_SHOWSTASHSTATE is set __git_ps1() checks the presence of stashes by running 'git rev-parse --verify refs/stash'. This command not only checks that the 'refs/stash' ref exists but also, well, verifies that it's a valid ref. However, we don't need to be that thorough for the bash prompt. We can omit that verification and only check whether 'refs/stash' exists or not. Since 'git pack-refs' never packs 'refs/stash', it's a matter of checking the existence of a ref file. Perform this check using only bash builtins to spare the overhead of fork()+exec()ing a git process. Also run 'git pack-refs --all' in the corresponding test to document that the prompt script depends on 'git pack-refs' not packing 'refs/stash' and to catch possible breakages should this behavior ever change. Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
2013-06-24bash prompt: use bash builtins to check for unborn branch for dirty stateLibravatar SZEDER Gábor1-1/+1
When the dirty work tree and index status indicator is enabled, __git_ps1() checks for changes in the index by running 'git diff-index --cached --quiet HEAD --' and looking at its exit code. However, that makes sense only when HEAD points to a valid commit: on an unborn branch the failure of said command would be caused by the invalid HEAD, not by changes in the index. Therefore, __git_ps1() first checks for a valid HEAD by running 'git rev-parse --quiet --verify HEAD'. Since the previous patch we implicitly check HEAD's validity by running 'git rev-parse ... --short HEAD', making the dirty status indicator's 'git rev-parse' check redundant. It's sufficient to check for non-emptyness of the variable holding the abbreviated commit object name, thereby sparing the overhead of fork()+exec()ing a git process. Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
2013-06-24bash prompt: combine 'git rev-parse' for detached headLibravatar SZEDER Gábor1-4/+12
When describing a detached HEAD according to the $GIT_PS1_DESCRIBE environment variable fails, __git_ps1() now runs the '$(git rev-parse --short HEAD)' command substitution to get the abbreviated detached HEAD commit object name. This imposes the overhead of fork()ing a subshell and fork()+exec()ing a git process. Avoid this overhead by combining this command substitution with the "main" 'git rev-parse' execution for getting the path to the .git directory & co. This means that we'll look for the abbreviated commit object name even when it's not necessary, because we're on a branch or the detached HEAD can be described. It doesn't matter, however, because once 'git rev-parse' is up and running to fulfill all those other queries, the additional overhead of looking for the abbreviated commit object name is not measurable because it's lost in the noise. There is a caveat, however, when we are on an unborn branch, because in that case HEAD doesn't point to a valid commit, hence the query for the abbreviated commit object name fails. Therefore, '--short HEAD' must be the last options to 'git rev-parse' in order to get all the other necessary information for the prompt even on an unborn branch. Furthermore, in that case, and in that case only, 'git rev-parse' doesn't output the last line containing the abbreviated commit object name, obviously, so we have to take care to only parse it if 'git rev-parse' exited without any error. Although there are tests already excercising __git_ps1() on unborn branches, they all do so implicitly. Add a test that checks this explicitly. Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
2013-06-24bash prompt: combine 'git rev-parse' executions in the main code pathLibravatar SZEDER Gábor1-5/+13
There are a couple of '$(git rev-parse --<opt>)' command substitutions in __git_ps1() and three of them are executed in the main code path: - the first to get the path to the .git directory ('--git-dir'), - the second to check whether we're inside the .git directory ('--is-inside-git-dir'), - and the last, depending on the results of the second, either * to check whether it's a bare repo ('--is-bare-repository'), or * to check whether inside a work tree ('--is-inside-work-tree'). Naturally, this imposes the overhead of fork()ing three subshells and fork()+exec()ing three git commands. Combine these four 'git rev-parse' queries into a single one and use bash parameter expansions to parse the combined output, i.e. to separate the path to the .git directory from the true/false of '--is-inside-git-dir', etc. This way we can eliminate two of the three subshells and git commands. Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
2013-06-24bash prompt: use bash builtins to find out current branchLibravatar SZEDER Gábor1-18/+33
__git_ps1() runs the '$(git symbolic-ref HEAD)' command substitution to find out whether we are on a branch and to find out the name of that branch. This imposes the overhead of fork()ing a subshell and fork()+exec()ing a git process. Since HEAD is in most cases a single-line file and the symbolic ref format is quite simple to recognize and parse, read and parse it using only bash builtins, thereby sparing all that fork()+exec() overhead. Don't display the git prompt if reading HEAD fails, because a readable HEAD is required for a git repository. HEAD can also be a symlink symbolic ref (due to 'core.preferSymlinkRefs'), so use bash builtins for reading HEAD only when HEAD is not a symlink. Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
2013-06-24bash prompt: use bash builtins to find out rebase stateLibravatar SZEDER Gábor1-6/+6
During an ongoing interactive rebase __git_ps1() finds out the name of the rebased branch, the total number of patches and the number of the current patch by executing a '$(cat .git/rebase-merge/<FILE>)' command substitution for each. That is not quite the most efficient way to read single line single word files, because it imposes the overhead of fork()ing a subshell and fork()+exec()ing 'cat' several times. Use the 'read' bash builtin instead to avoid those overheads. Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
2013-06-24bash prompt: run 'git rev-parse --git-dir' directly instead of __gitdir()Libravatar SZEDER Gábor1-25/+1
__git_ps1() finds out the path to the repository by using the __gitdir() helper function. __gitdir() is basically just a wrapper around 'git rev-parse --git-dir', extended with support for recognizing a remote repository given as argument, to use the path given on the command line, and with a few shortcuts to recognize a git repository in cwd or at $GIT_DIR quickly without actually running 'git rev-parse'. However, the former two is only necessary for the completion script but makes no sense for the bash prompt, while the latter shortcuts are performance optimizations __git_ps1() can do without (they just avoid the overhead of fork()+exec()ing a git process). Run 'git rev-parse --git-dir' directly in __git_ps1(), because it will allow this patch series to combine several $(git rev-parse ...) command substitutions in the main code path, and the overall performance benefit will far outweigh the loss of those few shortcuts in __gitdir(). Furthermore, since __gitdir() is not needed anymore for the prompt, remove it from the prompt script finally eliminating its duplication between the prompt and completion scripts. Also remove the comment from the completion script warning about this code duplication. Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
2013-06-24bash prompt: return early from __git_ps1() when not in a git repositoryLibravatar SZEDER Gábor1-100/+101
... to gain one level of indentation for the bulk of the function. (The patch looks quite unreadable, you'd better check it with 'git diff -w'.) Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
2013-06-24bash prompt: print unique detached HEAD abbreviated object nameLibravatar SZEDER Gábor1-1/+1
When describing a detached HEAD according to the $GIT_PS1_DESCRIBE environment variable fails, __git_ps1() runs 'cut -c1-7 .git/HEAD' to show the 7 hexdigits abbreviated commit object name in the prompt. Obviously, this neither respects core.abbrev nor produces a unique object name. Fix this by using 'git rev-parse --short HEAD' instead and adjust the corresponding test to use non-standard number of hexdigits. Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
2013-06-14prompt: squelch error output from catLibravatar Ramkumar Ramachandra1-6/+6
The files $g/rebase-{merge,apply}/{head-name,msgnum,end} are not guaranteed to exist. When attempting to cat them, squelch the error output. In addition to guarding against stray directories, this patch addresses a real problem: # on terminal 1 $ git rebase -i master # ignore editor, and switch to terminal 2 cat: .git/rebase-merge/msgnum: No such file or directory cat: .git/rebase-merge/end: No such file or directory $ Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-06Merge branch 'fc/show-branch-in-rebase-am'Libravatar Junio C Hamano1-0/+2
The bash prompt code (in contrib/) displayed the name of the branch being rebased when "rebase -i/-m/-p" modes are in use, but not the plain vanilla "rebase". * fc/show-branch-in-rebase-am: prompt: fix for simple rebase
2013-06-05Merge branch 'tg/maint-zsh-svn-remote-prompt'Libravatar Junio C Hamano1-3/+4
zsh prompt script that borrowed from bash prompt script did not work due to slight differences in array variable notation between these two shells. * tg/maint-zsh-svn-remote-prompt: prompt: fix show upstream with svn and zsh
2013-05-29prompt: fix for simple rebaseLibravatar Felipe Contreras1-0/+2
When we are rebasing without options ('am' mode), the head rebased lives in '$g/rebase-apply/head-name', so lets use that information so it's reported the same way as if we were doing other rebases (-i or -m). Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-05-22prompt: fix show upstream with svn and zshLibravatar Thomas Gummerer1-3/+4
Currently the __git_ps1 git prompt gives the following error with a repository converted by git-svn, when used with zsh: __git_ps1_show_upstream:19: bad pattern: svn_remote[ __git_ps1_show_upstream:45: bad substitution To reproduce the problem, the __git_ps1_show_upstream function can be executed in a repository converted with git-svn. Both those errors are triggered by spaces after the '['. Zsh also doesn't support initializing an array with `local var=(...)`. This triggers the following error: __git_ps1_show_upstream:41: bad pattern: svn_upstream=(commit Use local -a var=(...) instead to make is compatible. This was introduced by 6d158cba (bash completion: Support "divergence from upstream" messages in __git_ps1), when the script was for bash only. Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com> Acked-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-05-17prompt: colorize ZSH promptLibravatar Ramkumar Ramachandra1-1/+39
Add colors suitable for use in the ZSH prompt. Having learnt that the ZSH equivalent of PROMPT_COMMAND is precmd (), you can now use GIT_PS1_SHOWCOLORHINTS with ZSH. Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-05-17prompt: factor out gitstring coloring logicLibravatar Ramkumar Ramachandra1-36/+43
So that we can extend it with ZSH-colors in a later patch. Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-05-17prompt: introduce GIT_PS1_STATESEPARATORLibravatar Ramkumar Ramachandra1-3/+4
A typical prompt looks like: artagnon|master *=:~/src/git$ ^ why do we have this space? Nobody has branch names that end with +, *, =, < or > anyway, so it doesn't serve the purpose of disambiguation. Make this separator configurable via GIT_PS1_STATESEPARATOR. This means that you can set it to "" and get this prompt: artagnon|master*=:~/src/git$ Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-05-01Merge branch 'zk/prompt-rebase-step'Libravatar Junio C Hamano1-5/+16
* zk/prompt-rebase-step: bash-prompt.sh: show where rebase is at when stopped
2013-04-26Merge branch 'fc/untracked-zsh-prompt' into maintLibravatar Junio C Hamano1-1/+1
* fc/untracked-zsh-prompt: prompt: fix untracked files for zsh
2013-04-25bash-prompt.sh: show where rebase is at when stoppedLibravatar Zoltan Klinger1-5/+16
When a rebase stops (e.g. interrupted by a merge conflict), it could be useful to know how far a rebase has progressed and how many commits in total this rebase will apply. Teach the __git_ps1() command to display the number of commits so far applied and the total number of commits to be applied, like this: ((3ec0a6a...)|REBASE 2/5) In the example above the rebase has stopped at the second commit due to a merge conflict and there are a total number of five commits to be applied by this rebase. This information can be already obtained from the following files which are being generated during the rebase: GIT_DIR/.git/rebase-merge/msgnum (git-rebase--merge.sh) GIT_DIR/.git/rebase-merge/end (git-rebase--merge.sh) GIT_DIR/.git/rebase-apply/next (git-am.sh) GIT_DIR/.git/rebase-apply/last (git-am.sh) but "rebase -i" does not leave necessary clues. Implement this feature by doing these three things: 1) Modify git-rebase--interactive.sh to also create GIT_DIR/.git/rebase-merge/msgnum GIT_DIR/.git/rebase-merge/end files for the number of commits so far applied and the total number of commits to be applied. 2) Modify git-prompt.sh to read and display info from the above files. 3) Update test t9903-bash-prompt.sh to reflect changes introduced by this patch. Signed-off-by: Zoltan Klinger <zoltan.klinger@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-23Merge branch 'fc/untracked-zsh-prompt'Libravatar Junio C Hamano1-1/+1
* fc/untracked-zsh-prompt: prompt: fix untracked files for zsh
2013-04-21prompt: fix untracked files for zshLibravatar Felipe Contreras1-1/+1
We signal presense of untracked files by adding a per-cent sign '%' to the prompt. But because '%' is used as an escape character to introduce prompt customization in zsh (just like bash prompt uses '\' to escape '\u', '\h', etc.), we need to say '%%' to get a literal per-cent. Helped-by: Andreas Schwab <schwab@linux-m68k.org> Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-03-31bash: teach __git_ps1 about REVERT_HEADLibravatar Robin Rosenberg1-0/+2
Signed-off-by: Robin Rosenberg <robin.rosenberg@dewire.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-18shell-prompt: clean up nested if-thenLibravatar Martin Erik Werner1-14/+13
Minor clean up of if-then nesting in checks for environment variables and config options. No functional changes. Signed-off-by: Martin Erik Werner <martinerikwerner@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-13shell prompt: add bash.showUntrackedFiles optionLibravatar Martin Erik Werner1-3/+8
Add a config option 'bash.showUntrackedFiles' which allows enabling the prompt showing untracked files on a per-repository basis. This is useful for some repositories where the 'git ls-files ...' command may take a long time. Signed-off-by: Martin Erik Werner <martinerikwerner@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-12-27Merge branch 'so/prompt-command'Libravatar Junio C Hamano1-12/+20
Finishing touches... * so/prompt-command: make __git_ps1 accept a third parameter in pcmode
2012-12-26make __git_ps1 accept a third parameter in pcmodeLibravatar Simon Oosthoek1-12/+20
The optional third parameter when __git_ps1 is used in PROMPT_COMMAND mode as format string for printf to further customize the way the git status string is embedded in the user's PS1 prompt. Signed-off-by: Simon Oosthoek <s.oosthoek@xs4all.nl> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-12-12Merge branch 'so/prompt-command'Libravatar Junio C Hamano1-5/+11
* so/prompt-command: git-prompt.sh: update PROMPT_COMMAND documentation
2012-12-12git-prompt.sh: update PROMPT_COMMAND documentationLibravatar Junio C Hamano1-5/+11
The description of __git_ps1 function operating in two-arg mode was not very clear. It said "set PROMPT_COMMAND=__git_ps1" which is not the right usage for this mode, followed by "To customize the prompt, do this", giving a false impression that those who do not want to customize it can get away with no-arg form, which was incorrect. Make it clear that this mode always takes two arguments, pre and post, with an example. The straight-forward one should be listed as the primary usage, and the confusing one should be an alternate for advanced users. Swap the order of these two. Acked-by: Simon Oosthoek <s.oosthoek@xs4all.nl> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-12-11Merge branch 'maint'Libravatar Junio C Hamano1-1/+10
* maint: git-prompt: Document GIT_PS1_DESCRIBE_STYLE
2012-12-11git-prompt: Document GIT_PS1_DESCRIBE_STYLELibravatar Anders Kaseorg1-0/+9
GIT_PS1_DESCRIBE_STYLE was introduced in v1.6.3.2~35. Document it in the header comments. Signed-off-by: Anders Kaseorg <andersk@mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-17coloured git-prompt: paint detached HEAD marker in redLibravatar Junio C Hamano1-1/+1
Paint the marker for normal state in green and detached state in red, instead of the other way around. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16Fix up colored git-promptLibravatar Simon Oosthoek1-23/+32
The main point is to match the colors to be more close to the color output of "git status -sb". - the branchname is green, or in red when the HEAD is detached; - the flags are either red or green for unstaged/staged and the remaining flags get a different color or none at all. Signed-off-by: Simon Oosthoek <s.oosthoek@xs4all.nl> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-11show color hints based on state of the git treeLibravatar Simon Oosthoek1-1/+35
By setting GIT_PS1_SHOW_COLORHINTS when using __git_ps1 as PROMPT_COMMAND, you will get color hints in addition to a different character (*+% etc.) to indicate the state of the tree. Signed-off-by: Simon Oosthoek <s.oosthoek@xs4all.nl> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-11Allow __git_ps1 to be used in PROMPT_COMMANDLibravatar Simon Oosthoek1-6/+45
Changes __git_ps1 to allow its use as PROMPT_COMMAND in bash in addition to setting PS1 with __git_ps1 in a command substitution. PROMPT_COMMAND has advantages for using color without running into prompt-wrapping issues. Only by assigning \[ and \] to PS1 directly can bash know that these and the enclosed zero-width codes in between don't count in the length of the prompt. Signed-off-by: Simon Oosthoek <s.oosthoek@xs4all.nl> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-09-24Improve the description of GIT_PS1_SHOWUPSTREAMLibravatar Jonathan "Duke" Leto1-3/+4
Describe what '=' means in the output of __git_ps1 when using GIT_PS1_SHOWUPSTREAM, which was not previously described. Signed-off-by: Jonathan "Duke" Leto <jonathan@leto.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-10completion: warn people about duplicated functionLibravatar Junio C Hamano1-0/+2
The __gitdir function is duplicated between completion and prompt scripts, and these definitions should not diverge; otherwise one of them can be subtly broken depending on the order the user's shell dot-sources them. Leave a note to people who may want to touch one copy to make sure they update the other one in sync. Hopefully this line would also appear in the context of the patch to allow reviewers to notice a patch that attempts to update only one of them. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-22completion: split __git_ps1 into a separate scriptLibravatar Felipe Contreras1-0/+287
bash-completion 1.90 shipped with support to load completions dynamically[1], which means the git completion script wouldn't be loaded until the user types 'git <tab>'--this creates a problem to people using __git_ps1(); that function won't be available when the shell is first created. For now distributions have workarounded this issue by moving the git completion to the "compatdir"[2]; this of course is not ideal. The solution, proposed by Kerrick Staley[3], is to split the git script in two; the part that deals with __git_ps1() in one (i.e. git-prompt.sh), and everything else in another (i.e. git-completion.bash). Another benefit of this is that zsh user that are not interested in the bash completion can use it for their prompts, which has been tried before[4]. The only slight issue is that __gitdir() would be duplicated, but this is probably not a big deal. So let's go ahead and move __git_ps1() to a new file. While at this, I took the liberty to reformat the help text in the new file. [1] http://anonscm.debian.org/gitweb/?p=bash-completion/bash-completion.git;a=commitdiff;h=99c4f7f25f50a7cb2fce86055bddfe389effa559 [2] http://projects.archlinux.org/svntogit/packages.git/commit/trunk?h=packages/git&id=974380fabb8f9f412990b17063bf578d98c44a82 [3] http://mid.gmane.org/CANaWP3w9KDu57aHquRRYt8td_haSWTBKs7zUHy-xu0B61gmr9A@mail.gmail.com [4] http://mid.gmane.org/1303824288-15591-1-git-send-email-mstormo@gmail.com Cc: Kerrick Staley <mail@kerrickstaley.com> Cc: Marius Storm-Olsen <mstormo@gmail.com> Cc: Ville Skyttä <ville.skytta@iki.fi> Cc: Dan McGee <dan@archlinux.org> Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>